19311822

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 44074368

約数和(自身を除く): 24762546

約数列:

[1, 2, 3, 6, 9, 18, 31, 53, 62, 93, 106, 159, 186, 279, 318, 477, 558, 653, 954, 1306, 1643, 1959, 3286, 3918, 4929, 5877, 9858, 11754, 14787, 20243, 29574, 34609, 40486, 60729, 69218, 103827, 121458, 182187, 207654, 311481, 364374, 622962, 1072879, 2145758, 3218637, 6437274, 9655911, 19311822]

約数ペア:

[(1, 19311822), (2, 9655911), (3, 6437274), (6, 3218637), (9, 2145758), (18, 1072879), (31, 622962), (53, 364374), (62, 311481), (93, 207654), (106, 182187), (159, 121458), (186, 103827), (279, 69218), (318, 60729), (477, 40486), (558, 34609), (653, 29574), (954, 20243), (1306, 14787), (1643, 11754), (1959, 9858), (3286, 5877), (3918, 4929)]